St. Hilaire, MN Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for St. Hilaire, a city in Pennington County, Minnesota.
This Afternoon
72°F
Isolated Rain Showers
Isolated rain showers after 5pm. Mostly cloudy. High near 72, with temperatures falling to around 70 in the afternoon. North wind around 10 mph. Chance of precipitation is 20%.
7-day forecast for St. Hilaire
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| This Afternoon | 72°F | Isolated Rain Showers | 10 mph N | 24% |
| Tonight | 49°F | Mostly Cloudy | 8 to 12 mph NNE | 8% |
| Sunday | 66°F | Partly Sunny | 10 mph ENE | 0% |
| Sunday Night | 43°F | Mostly Cloudy | 5 to 8 mph E | 0% |
| Monday | 66°F | Mostly Sunny | 7 mph ESE | 0% |
| Monday Night | 41°F | Mostly Clear | 7 mph SE | 0% |
| Tuesday | 67°F | Sunny | 7 to 13 mph SSE | 0% |
| Tuesday Night | 45°F | Clear | 8 to 12 mph SSE | 0% |
| Wednesday | 68°F | Sunny | 12 to 18 mph SSE | 1% |
| Wednesday Night | 51°F | Partly Cloudy then Slight Chance Rain Showers | 14 mph SSE | 19% |
| Thursday | 69°F | Chance Rain Showers | 12 to 15 mph SSE | 43% |
| Thursday Night | 53°F | Slight Chance Rain Showers then Mostly Cloudy | 8 to 12 mph SSE | 23% |
| Friday | 74°F | Partly Sunny | 7 to 14 mph S | 5% |
| Friday Night | 57°F | Partly Cloudy | 14 mph SSE | 12% |
Forecast source: National Weather Service (api.weather.gov) for St. Hilaire (48.013, -96.214). Updated through the day.
Growing snapshot for St. Hilaire
Last spring frost
May 9
First fall frost
Sep 30
Growing season
142 days
Hardiness zone
3b
More local growing data for St. Hilaire: nearby ZIP 56754 weather · frost dates · planting calendar · Minnesota frost dates
Nearby towns & communities
Climate data from the nearest NOAA station, Red Lake Falls, Mn (8.5 mi from St. Hilaire). Frost dates are 1991–2020 averages, not a forecast. Page updated Sep 20, 2026.